From patchwork Mon Jan 30 16:26:25 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Deepak R Varma X-Patchwork-Id: 13121421 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4330FC54EED for ; Mon, 30 Jan 2023 16:26:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236790AbjA3Q0r (ORCPT ); Mon, 30 Jan 2023 11:26:47 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58592 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231538AbjA3Q0q (ORCPT ); Mon, 30 Jan 2023 11:26:46 -0500 Received: from msg-2.mailo.com (msg-2.mailo.com [213.182.54.12]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A7FDD3A856; Mon, 30 Jan 2023 08:26:44 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=mailo.com; s=mailo; t=1675095991; bh=WOQ4vuk34rA8b08A56gxt9geZ1TucBGZIWvT4ETxZIg=; h=X-EA-Auth:Date:From:To:Cc:Subject:Message-ID:MIME-Version: Content-Type; b=IbGW6e4yoU4N8jnk+gb10lFBklYd+2W/It+3J/QhfgIMobtaPdJc6y9BO2othIbxg JRDe8wYdbV3d7ohGr8KCQDZgriuZ4nx9P7TH0u/NVWaV/pYeK/bYfTmmaoaNHwojuw aRRvFB7kAclMZWKjGGhdhU1H8heZfzG4MjsBJCAc= Received: by b-6.in.mailobj.net [192.168.90.16] with ESMTP via ip-206.mailobj.net [213.182.55.206] Mon, 30 Jan 2023 17:26:31 +0100 (CET) X-EA-Auth: Iop45wzrRbdCV8RWDLbj/0flWLCA+fQ84U0oUYoywr0m1w/jsYoUdCyRQTjntI8xuq8QxZvlDC+KbaNmp/Tv59KAlvf6dJXs Date: Mon, 30 Jan 2023 21:56:25 +0530 From: Deepak R Varma To: Karan Tilak Kumar , Sesidhar Baddela , "James E.J. Bottomley" , "Martin K. Petersen" , linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Saurabh Singh Sengar , Praveen Kumar , Deepak R Varma Subject: [PATCH] scsi: snic: Use sysfs_emit in show function callback Message-ID: MIME-Version: 1.0 Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org According to Documentation/filesystems/sysfs.rst, the show() callback function of kobject attributes should strictly use sysfs_emit() instead of sprintf() family functions. Issue identified using the device_attr_show.cocci Coccinelle script. Signed-off-by: Deepak R Varma --- drivers/scsi/snic/snic_attrs.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/drivers/scsi/snic/snic_attrs.c b/drivers/scsi/snic/snic_attrs.c index 3ddbdbc3ded1..56c46ea06e60 100644 --- a/drivers/scsi/snic/snic_attrs.c +++ b/drivers/scsi/snic/snic_attrs.c @@ -13,7 +13,7 @@ snic_show_sym_name(struct device *dev, { struct snic *snic = shost_priv(class_to_shost(dev)); - return snprintf(buf, PAGE_SIZE, "%s\n", snic->name); + return sysfs_emit(buf, "%s\n", snic->name); } static ssize_t @@ -23,8 +23,7 @@ snic_show_state(struct device *dev, { struct snic *snic = shost_priv(class_to_shost(dev)); - return snprintf(buf, PAGE_SIZE, "%s\n", - snic_state_str[snic_get_state(snic)]); + return sysfs_emit(buf, "%s\n", snic_state_str[snic_get_state(snic)]); } static ssize_t @@ -32,7 +31,7 @@ snic_show_drv_version(struct device *dev, struct device_attribute *attr, char *buf) { - return snprintf(buf, PAGE_SIZE, "%s\n", SNIC_DRV_VERSION); + return sysfs_emit(buf, "%s\n", SNIC_DRV_VERSION); } static ssize_t @@ -45,8 +44,7 @@ snic_show_link_state(struct device *dev, if (snic->config.xpt_type == SNIC_DAS) snic->link_status = svnic_dev_link_status(snic->vdev); - return snprintf(buf, PAGE_SIZE, "%s\n", - (snic->link_status) ? "Link Up" : "Link Down"); + return sysfs_emit(buf, "%s\n", (snic->link_status) ? "Link Up" : "Link Down"); } static DEVICE_ATTR(snic_sym_name, S_IRUGO, snic_show_sym_name, NULL);